/* =========================================================
   鸿运国际站 · /assets/site.css
   共享层：reset / 变量 / 中文排版 / 双层页头 / 四栏页脚 / 通用组件
   ========================================================= */

/* ---------- reset ---------- */
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body,h1,h2,h3,h4,h5,p,ul,ol,li,figure,figcaption,blockquote,dl,dt,dd{margin:0}
ul,ol{list-style:none;padding:0}
button{font:inherit;color:inherit;background:none;border:0;padding:0;cursor:pointer}
a{color:inherit;text-decoration:none}
img,svg,video{display:block;max-width:100%;height:auto}
table{border-collapse:collapse;width:100%}

/* ---------- 变量 ---------- */
:root{
  --red:#C8102E;
  --red-deep:#8E0B20;
  --gold:#D4AF37;
  --gold-soft:#E8CE7A;
  --deep:#0E1A2B;
  --deep-2:#17263C;
  --porcelain:#F7F4EF;
  --sand:#E6DED2;
  --ink:#1C2530;
  --slate:#6B7683;
  --mist:#3E5A6B;

  --line:rgba(28,37,48,.14);
  --line-strong:rgba(28,37,48,.26);
  --line-gold:rgba(212,175,55,.42);
  --line-on-dark:rgba(247,244,239,.14);
  --ink-soft:rgba(247,244,239,.78);

  --font-display:"Noto Serif SC","Source Han Serif SC","Songti SC","SimSun",serif;
  --font-body:"Noto Sans SC","Source Han Sans SC","PingFang SC","Microsoft YaHei",system-ui,sans-serif;
  --font-mono:"JetBrains Mono","SFMono-Regular","Roboto Mono",Consolas,monospace;

  --max:1440px;
  --gutter:24px;
  --t:200ms;
  --ease:cubic-bezier(.22,.61,.36,1);
  --z-nav:50;
  --z-header:60;
  --z-dock:70;
  --z-skip:200;
}

/* ---------- 中文排版基线 ---------- */
body{
  font-family:var(--font-body);
  font-size:17px;
  font-weight:400;
  line-height:1.75;
  letter-spacing:.01em;
  color:var(--ink);
  background:var(--porcelain);
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4{font-family:var(--font-display);font-weight:800;line-height:1.18;letter-spacing:-.02em;color:var(--ink)}
p{text-wrap:pretty}
strong,b{font-weight:700}

/* ---------- 焦点与可访问 ---------- */
:focus-visible{
  outline:2px solid var(--gold);
  outline-offset:3px;
  box-shadow:0 0 0 2px var(--deep);
}
.visually-hidden{
  position:absolute!important;
  width:1px;height:1px;
  margin:-1px;padding:0;border:0;
  clip:rect(0 0 0 0);clip-path:inset(50%);
  overflow:hidden;white-space:nowrap;
}

/* ---------- 容器与网格 ---------- */
.container{width:100%;max-width:var(--max);margin-inline:auto;padding-inline:var(--gutter)}
.container--narrow{max-width:920px}
.section{padding-block:clamp(48px,6vw,96px);position:relative}
.section--porcelain{background:var(--porcelain)}
.section--sand{background:var(--sand)}
.section--deep{background:var(--deep);color:var(--ink-soft)}
.section--deep h1,.section--deep h2,.section--deep h3{color:var(--porcelain)}
.section--deep .eyebrow{color:rgba(232,206,122,.8)}

.split{display:grid;gap:clamp(24px,3vw,56px);align-items:start}
.split--3-9{grid-template-columns:minmax(0,3fr) minmax(0,9fr)}
.split--4-8{grid-template-columns:minmax(0,4fr) minmax(0,8fr)}
.split--2-10{grid-template-columns:minmax(0,2fr) minmax(0,10fr)}
.split--7-5{grid-template-columns:minmax(0,7fr) minmax(0,5fr)}
.split--5-7{grid-template-columns:minmax(0,5fr) minmax(0,7fr)}

.grid-12{display:grid;grid-template-columns:repeat(12,minmax(0,1fr));gap:var(--gutter)}

@media (max-width:900px){
  .split--3-9,.split--4-8,.split--2-10,.split--7-5,.split--5-7{grid-template-columns:minmax(0,1fr)}
  .grid-12{grid-template-columns:repeat(6,minmax(0,1fr))}
}
@media (max-width:600px){
  .grid-12{grid-template-columns:repeat(2,minmax(0,1fr))}
}

/* ---------- 文本组件 ---------- */
.eyebrow{
  display:inline-flex;align-items:center;gap:10px;
  font-size:12px;letter-spacing:.24em;color:var(--slate);
}
.eyebrow::before{content:"";width:22px;height:1px;background:var(--gold);flex:0 0 auto}

.display-title{
  font-family:var(--font-display);font-weight:900;
  font-size:clamp(38px,5.2vw,72px);line-height:1.06;letter-spacing:-.025em;
}
.section-title{
  font-family:var(--font-display);font-weight:800;
  font-size:clamp(26px,2.6vw,40px);line-height:1.2;letter-spacing:-.015em;
}
.prose{max-width:34em;font-size:17px;line-height:1.85;color:var(--ink)}
.prose p+p{margin-top:1em}
.prose h2{margin-top:1.6em;font-size:clamp(24px,2.2vw,32px)}
.prose h3{margin-top:1.4em;font-size:22px}
.prose ul,.prose ol{margin-top:.8em;display:grid;gap:.5em}
.prose li{padding-left:18px;position:relative}
.prose li::before{content:"";position:absolute;left:0;top:.72em;width:8px;height:1px;background:var(--gold)}

.mono{font-family:var(--font-mono);font-weight:700;font-variant-numeric:tabular-nums;letter-spacing:-.02em}
.price{font-family:var(--font-mono);font-weight:700;font-size:1.35em;letter-spacing:-.03em;color:var(--red)}
.accent--red{color:var(--red)}
.accent--gold{color:#8A6A12}
.section--deep .accent--gold,.section--deep .price{color:var(--gold-soft)}
.section--deep .price{color:var(--gold-soft)}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:11px 18px;border:1px solid transparent;border-radius:2px;
  font-size:14px;font-weight:600;letter-spacing:.04em;line-height:1.2;
  transition:background-color var(--t) var(--ease),border-color var(--t) var(--ease),
             color var(--t) var(--ease),transform var(--t) var(--ease);
}
.btn:hover{transform:translateY(-2px)}
.btn:active{transform:translateY(0)}
.btn--primary{background:var(--red);border-color:var(--red);color:#fff}
.btn--primary:hover{background:var(--red-deep);border-color:var(--red-deep)}
.btn--gold{background:transparent;border-color:var(--line-gold);color:var(--gold-soft)}
.btn--gold:hover{background:rgba(212,175,55,.14);border-color:var(--gold);color:#fff}
.btn--ghost{background:transparent;border-color:var(--line-strong);color:var(--ink)}
.btn--ghost:hover{border-color:var(--red);color:var(--red)}
.btn--solid-light{background:var(--porcelain);border-color:var(--porcelain);color:var(--deep)}
.btn--solid-light:hover{background:#fff;border-color:var(--gold)}

/* ---------- 展览标签 / 标签 / 分隔线 ---------- */
.exhibit-tag{
  display:inline-flex;align-items:center;gap:8px;
  padding:5px 10px;
  border:1px solid var(--line);border-left:2px solid var(--gold);border-radius:2px;
  background:rgba(247,244,239,.7);
  font-size:12px;letter-spacing:.14em;color:var(--slate);
}
.exhibit-tag__num{font-family:var(--font-mono);font-weight:700;color:var(--red)}
.section--deep .exhibit-tag{background:rgba(23,38,60,.6);border-color:var(--line-on-dark);border-left-color:var(--gold);color:var(--ink-soft)}

.tag{
  display:inline-block;padding:3px 9px;border:1px solid var(--line);border-radius:2px;
  font-size:12px;letter-spacing:.1em;color:var(--slate);
}
.tag--gold{border-color:var(--line-gold);color:#8A6A12;background:rgba(212,175,55,.1)}
.tag--red{border-color:rgba(200,16,46,.3);color:var(--red);background:rgba(200,16,46,.07)}
.rule{height:1px;background:var(--line);border:0;margin:0}

/* ---------- 卡片 ---------- */
.card{
  position:relative;
  padding:clamp(18px,2vw,28px);
  background:#fff;border:1px solid var(--line);border-radius:2px;
  transition:transform var(--t) var(--ease),background-color var(--t) var(--ease),
             border-color var(--t) var(--ease);
}
.card:hover{transform:translateY(-4px);border-color:var(--line-gold);background:var(--porcelain)}
.card--ink{background:var(--deep-2);border-color:rgba(232,206,122,.24);color:var(--ink-soft)}
.card--ink:hover{background:#1D2F49;border-color:var(--gold)}

/* ---------- 数据带 ---------- */
.data-band{
  display:grid;grid-template-columns:repeat(3,minmax(0,1fr));
  border-top:1px solid var(--line);border-bottom:1px solid var(--line);
}
.data-band__item{padding:20px 24px;border-left:1px solid var(--line)}
.data-band__item:first-child{border-left:0}
.data-band__value{font-family:var(--font-mono);font-weight:700;font-size:clamp(26px,3vw,40px);color:var(--red);letter-spacing:-.03em}
.data-band__label{display:block;font-size:13px;letter-spacing:.12em;color:var(--slate)}
.section--deep .data-band{border-color:var(--line-on-dark)}
.section--deep .data-band__item{border-color:var(--line-on-dark)}
.section--deep .data-band__value{color:var(--gold-soft)}
.section--deep .data-band__label{color:rgba(247,244,239,.6)}
@media (max-width:760px){
  .data-band{grid-template-columns:minmax(0,1fr)}
  .data-band__item{border-left:0;border-top:1px solid var(--line)}
  .data-band__item:first-child{border-top:0}
  .section--deep .data-band__item{border-top-color:var(--line-on-dark)}
}

/* ---------- 面包屑 ---------- */
.breadcrumb{border-bottom:1px solid var(--line);background:var(--porcelain)}
.breadcrumb .container{display:flex;flex-wrap:wrap;align-items:center;gap:8px;padding-block:13px;font-size:13px;color:var(--slate)}
.breadcrumb__list{display:flex;flex-wrap:wrap;align-items:center;gap:8px}
.breadcrumb__item{display:inline-flex;align-items:center;gap:8px}
.breadcrumb__item+.breadcrumb__item::before{content:"/";color:var(--line-strong)}
.breadcrumb a{transition:color var(--t) var(--ease)}
.breadcrumb a:hover{color:var(--red)}
.breadcrumb__item[aria-current="page"]{color:var(--ink);font-weight:600}

/* ---------- 媒体容器 ---------- */
.media-frame{
  position:relative;display:block;overflow:hidden;border-radius:2px;
  background:linear-gradient(135deg,var(--deep) 0%,var(--deep-2) 55%,#2B3D57 100%);
}
.media-frame::after{content:"";position:absolute;inset:0;border:1px solid rgba(232,206,122,.24);pointer-events:none}
.media-frame img{width:100%;height:100%;object-fit:cover;filter:saturate(.86) sepia(.06) contrast(1.03)}
.media-frame--wide{aspect-ratio:21/9}
.media-frame--16-9{aspect-ratio:16/9}
.media-frame--4-3{aspect-ratio:4/3}
.media-frame--1-1{aspect-ratio:1/1}
.media-frame--tall{aspect-ratio:3/4}
.media-frame__label{
  position:absolute;left:0;bottom:0;
  padding:8px 12px;background:rgba(14,26,43,.84);color:var(--porcelain);
  font-size:12px;letter-spacing:.14em;
}
@media (max-width:700px){
  .media-frame--wide{aspect-ratio:16/9}
  .media-frame--tall{aspect-ratio:3/4}
}
.figure{margin:0}
.figure__caption{margin-top:10px;font-size:13px;line-height:1.7;color:var(--slate);letter-spacing:.02em}

/* ---------- 目录锚点（滚动高亮） ---------- */
.toc{position:sticky;top:96px;border-left:1px solid var(--line);padding-left:18px}
.toc__title{font-size:12px;letter-spacing:.22em;color:var(--slate);margin-bottom:12px}
.toc__list{display:grid;gap:2px}
.toc__link{
  display:block;padding:6px 0;font-size:14px;color:var(--slate);
  transition:color var(--t) var(--ease),transform var(--t) var(--ease);
}
.toc__link:hover{color:var(--red);transform:translateX(2px)}
.toc__link[aria-current="true"]{color:var(--red);font-weight:700}
.toc__link[aria-current="true"]::before{
  content:"";display:inline-block;width:6px;height:6px;margin-right:8px;
  background:var(--gold);vertical-align:middle;
}
@media (max-width:900px){.toc{position:static;border-left:0;padding-left:0}}

/* =========================================================
   页头
   ========================================================= */
.skip-link{
  position:absolute;left:12px;top:-64px;z-index:var(--z-skip);
  padding:10px 16px;background:var(--gold);color:var(--deep);
  font-size:14px;font-weight:700;border-radius:2px;
  transition:top var(--t) var(--ease);
}
.skip-link:focus{top:12px}

.site-header{position:relative;z-index:var(--z-header);font-family:var(--font-body)}

/* --- 上层信息带 --- */
.header-top{
  position:relative;overflow:hidden;
  background:linear-gradient(96deg,var(--deep) 0%,var(--deep) 62%,var(--deep-2) 100%);
  color:var(--porcelain);
  border-bottom:1px solid rgba(232,206,122,.24);
}
.header-top::after{
  content:"";position:absolute;top:-10%;bottom:-10%;right:24%;width:1px;
  background:linear-gradient(180deg,transparent,rgba(232,206,122,.55),transparent);
  transform:skewX(-6deg);pointer-events:none;
}
.header-top__inner{
  position:relative;
  display:flex;align-items:center;gap:clamp(16px,2.4vw,40px);
  padding-block:14px;
}
.header-meta{
  font-size:13px;letter-spacing:.06em;color:rgba(247,244,239,.72);white-space:nowrap;
}
.header-meta .mono{color:var(--gold-soft)}
.header-actions{display:flex;flex-wrap:wrap;gap:12px;margin-left:auto}

.brand{display:inline-flex;align-items:center;gap:12px}
.brand__mark{position:relative;flex:0 0 auto;width:16px;height:16px;background:var(--red)}
.brand__mark::after{content:"";position:absolute;top:-5px;right:-5px;width:6px;height:6px;background:var(--gold)}
.brand__text{display:block}
.brand__name{
  display:block;font-family:var(--font-display);font-weight:900;
  font-size:20px;line-height:1.25;letter-spacing:-.02em;color:var(--porcelain);
}
.brand__line{
  display:block;font-size:11px;letter-spacing:.18em;color:rgba(247,244,239,.6);
}

/* --- 下层吸附导航 --- */
.header-nav{
  position:sticky;top:0;z-index:var(--z-nav);
  background:var(--porcelain);
  border-bottom:1px solid var(--line);
}
.header-nav__inner{
  display:flex;align-items:center;gap:clamp(14px,2.2vw,34px);
  min-height:62px;
}
.nav-caption{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12px;letter-spacing:.22em;color:var(--slate);white-space:nowrap;
}
.nav-caption::before{content:"";width:10px;height:2px;background:var(--red)}
.primary-nav{min-width:0}
.nav-list{display:flex;align-items:center;flex-wrap:wrap;gap:clamp(16px,2vw,28px)}
.nav-list__item{display:block}
.nav-link{
  position:relative;display:inline-block;padding:20px 2px;
  font-size:15px;font-weight:500;letter-spacing:.02em;color:var(--ink);
  transition:color var(--t) var(--ease);
}
.nav-link::after{
  content:"";position:absolute;left:0;right:0;bottom:14px;height:2px;
  background:transparent;transition:background-color var(--t) var(--ease);
}
.nav-link:hover{color:var(--red)}
.nav-link:hover::after{background:rgba(200,16,46,.32)}
.nav-link[aria-current="page"]{color:var(--red);font-weight:700}
.nav-link[aria-current="page"]::after{background:var(--red)}
.nav-link[aria-current="page"]::before{
  content:"";position:absolute;left:-12px;top:50%;width:6px;height:6px;
  transform:translateY(-50%);background:var(--gold);
}

.nav-toggle{
  display:none;align-items:center;gap:10px;margin-left:auto;
  padding:9px 12px;border:1px solid var(--line);border-radius:2px;
  font-size:14px;font-weight:600;color:var(--ink);
  transition:background-color var(--t) var(--ease),border-color var(--t) var(--ease),color var(--t) var(--ease);
}
.nav-toggle:hover{border-color:var(--red);color:var(--red)}
.nav-toggle__bars{display:block;width:20px;flex:0 0 auto}
.nav-toggle__bars span{
  display:block;height:2px;margin:4px 0;background:currentColor;
  transition:transform var(--t) var(--ease),opacity var(--t) var(--ease),width var(--t) var(--ease);
}
.nav-toggle__bars span:nth-child(2){width:14px}
.nav-toggle[aria-expanded="true"]{background:var(--red);border-color:var(--red);color:#fff}
.nav-toggle[aria-expanded="true"] .nav-toggle__bars span:nth-child(1){transform:translateY(-1px);width:20px}
.nav-toggle[aria-expanded="true"] .nav-toggle__bars span:nth-child(2){width:20px}
.nav-toggle[aria-expanded="true"] .nav-toggle__bars span:nth-child(3){transform:translateY(1px);width:20px}

.scroll-progress{
  position:absolute;left:0;bottom:-1px;height:2px;width:0;
  background:linear-gradient(90deg,var(--red),var(--gold));
  transition:width 120ms linear;
}

@media (max-width:900px){
  .header-nav__inner{flex-wrap:wrap;padding-block:10px;gap:12px}
  .primary-nav{order:3;flex:1 1 100%}
  .nav-toggle{order:2;display:inline-flex}
  .nav-list{
    display:none;width:100%;margin-top:8px;padding-top:6px;
    border-top:1px solid var(--line);
  }
  .site-header[data-open="true"] .nav-list{display:flex;flex-direction:column;align-items:stretch;gap:0}
  .nav-link{display:block;padding:14px 12px;font-size:16px;border-bottom:1px solid var(--line)}
  .nav-link::after{display:none}
  .nav-link[aria-current="page"]{background:rgba(200,16,46,.06);border-left:3px solid var(--red);padding-left:14px}
  .nav-link[aria-current="page"]::before{display:none}
}
@media (max-width:760px){
  .header-top__inner{flex-wrap:wrap;gap:12px;padding-block:12px 14px}
  .header-top::after{display:none}
  .header-meta{display:none}
  .header-actions{width:100%;margin-left:0}
  .header-actions .btn{flex:1 1 auto}
}

/* --- 浮动快捷入口 --- */
.quick-dock{
  position:fixed;right:0;top:50%;z-index:var(--z-dock);
  display:flex;flex-direction:column;align-items:flex-end;
  transform:translate(0,-50%);
  transition:opacity var(--t) var(--ease),transform var(--t) var(--ease),visibility var(--t) var(--ease);
}
.quick-dock[data-visible="false"]{opacity:0;visibility:hidden;pointer-events:none;transform:translate(18px,-50%)}
.quick-dock__toggle{
  display:inline-flex;align-items:center;gap:8px;
  padding:10px 12px;background:var(--deep);color:var(--porcelain);
  border-left:1px solid var(--line-gold);
  font-size:12px;letter-spacing:.16em;
  transition:background-color var(--t) var(--ease),color var(--t) var(--ease);
}
.quick-dock__toggle:hover{background:var(--deep-2);color:var(--gold-soft)}
.quick-dock__toggle-icon{position:relative;display:block;width:10px;height:2px;background:var(--gold)}
.quick-dock__toggle-icon::after{content:"";position:absolute;left:0;top:-4px;width:10px;height:2px;background:var(--gold-soft)}
.quick-dock__list{min-width:154px;background:var(--deep-2);border-top:1px solid rgba(232,206,122,.28)}
.quick-dock__link{
  display:flex;align-items:center;gap:10px;padding:12px 14px;
  font-size:14px;color:var(--porcelain);
  border-bottom:1px solid rgba(247,244,239,.08);
  transition:background-color var(--t) var(--ease),color var(--t) var(--ease);
}
.quick-dock__link:hover{background:var(--red);color:#fff}
.quick-dock__num{font-size:11px;letter-spacing:.08em;color:var(--gold-soft)}
.quick-dock__link:hover .quick-dock__num{color:#fff}
.quick-dock[data-collapsed="true"] .quick-dock__list{display:none}
@media (max-width:720px){
  .quick-dock{top:auto;bottom:84px;transform:translate(0,0)}
  .quick-dock[data-visible="false"]{transform:translate(18px,0)}
  .quick-dock__list{min-width:132px}
}

/* =========================================================
   页脚
   ========================================================= */
.site-footer{
  position:relative;
  background:var(--deep);
  color:var(--ink-soft);
  font-size:14.5px;
}
.footer-top{position:relative;overflow:hidden;padding-block:clamp(40px,5vw,72px) clamp(28px,3vw,44px)}
.footer-top::before{
  content:"";position:absolute;inset:0;z-index:0;pointer-events:none;
  background:linear-gradient(96deg,rgba(23,38,60,0) 0 58%,rgba(23,38,60,.9) 58% 100%);
}
.footer-top::after{
  content:"";position:absolute;top:-10%;bottom:-10%;left:58%;width:1px;z-index:0;
  background:linear-gradient(180deg,transparent,rgba(232,206,122,.5),transparent);
  transform:skewX(-6deg);pointer-events:none;
}
.footer-grid{
  position:relative;z-index:1;
  display:grid;grid-template-columns:1.5fr 1fr 1fr 1.3fr;
  gap:clamp(24px,3vw,48px);
}
.footer-col{min-width:0}
.footer-col__title{
  display:flex;align-items:center;gap:8px;
  padding-bottom:12px;margin-bottom:16px;
  border-bottom:1px solid rgba(232,206,122,.3);
  font-family:var(--font-display);font-size:15px;font-weight:800;
  letter-spacing:.12em;color:var(--porcelain);
}
.footer-col__title::before{content:"";width:6px;height:6px;background:var(--gold);flex:0 0 auto}
.brand--footer{margin-bottom:16px}
.brand--footer .brand__line{color:rgba(247,244,239,.5)}
.footer-service-line{
  font-size:14px;letter-spacing:.08em;color:var(--gold-soft);
}
.footer-service-line .mono{color:var(--porcelain)}
.footer-service-note{margin-top:10px;font-size:13.5px;line-height:1.8;color:rgba(247,244,239,.62);max-width:34em}
.footer-links{display:grid;gap:10px}
.footer-links a{
  display:inline-block;font-size:14.5px;color:rgba(247,244,239,.78);
  transition:color var(--t) var(--ease),transform var(--t) var(--ease);
}
.footer-links a:hover{color:var(--gold-soft);transform:translateX(3px)}
.footer-facts{display:grid;gap:10px;font-size:14px;color:rgba(247,244,239,.72)}
.footer-facts .mono{color:var(--gold-soft);font-size:16px}
.footer-contact{display:grid;gap:12px}
.footer-contact li{display:grid;grid-template-columns:52px minmax(0,1fr);gap:10px;align-items:baseline}
.footer-contact__label{font-size:12px;letter-spacing:.16em;color:rgba(247,244,239,.5)}
.footer-contact__value{font-size:14px;color:rgba(247,244,239,.85);word-break:break-word}
.footer-note{margin-top:14px;font-size:12.5px;line-height:1.75;color:rgba(247,244,239,.5)}
.footer-bottom{
  position:relative;z-index:1;
  border-top:1px solid var(--line-on-dark);
  background:rgba(14,26,43,.72);
}
.footer-bottom__inner{
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;
  gap:10px 24px;padding-block:18px;
  font-size:13px;color:rgba(247,244,239,.6);
}
.footer-icp,.footer-copyright{letter-spacing:.04em}
.footer-legal{display:flex;flex-wrap:wrap;gap:18px}
.footer-legal__links a{color:rgba(247,244,239,.72);transition:color var(--t) var(--ease)}
.footer-legal__links a:hover{color:var(--gold-soft)}
@media (max-width:1080px){
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .footer-top::before,.footer-top::after{display:none}
}
@media (max-width:600px){
  .footer-grid{grid-template-columns:minmax(0,1fr)}
  .footer-bottom__inner{flex-direction:column;align-items:flex-start}
}

/* =========================================================
   动效降级
   ========================================================= */
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{
    animation-duration:.001ms!important;
    animation-iteration-count:1!important;
    transition-duration:.001ms!important;
  }
  .card:hover,.btn:hover,.footer-links a:hover,.toc__link:hover{transform:none}
}